import timef1 = open("m1_sorted.txt")f2 = open("m2_reverse.txt")f3 = open("m3_shuffle.txt")a1 = [int(x) for x in f1]a2 = [int(x) for x in f2]a3 = [int(x) for x in f3]def sort(n):    for i in range(len(n)):        for j in range(len(n) - 1 - i):            if n[j] > n[j + 1]:                n[j], n[j+1] = n[j+1], n[j]start1 = time.time()sort(a1)finish1 = time.time()t1 = round((finish1 - start1)*1000)print("Время сортировки m1_sorted.txt в миллисекундах = ", t1)start2 = time.time()sort(a2)finish2 = time.time()t2 = round((finish2 - start2)*1000)print("Время сортировки m2_reverse.txt в миллисекундах = ", t2)start3 = time.time()sort(a3)finish3 = time.time()t3 = round((finish3 - start3)*1000)print("Время сортировки m3_shuffle.txt в миллисекундах = ", t3)